HT155 HT Instruments Sound Meter

HT Instruments HT155 Sound Level Meter

The HT155 is a sound level meter with a wide measuring range of 25 to 140 db. It is supplied with a hard carrying case and a portable Class 1 calibrator for preliminary checks.

HT155 is a strong, compact and reliable Class 1 sound level meter.

Designed for detection and recording of: equivalent noise level Leq, peak value measurements, control of sound level, acoustic pollution, etc.

It meets the criteria to certify environmental noise levels in working areas according to the national regulations in force.

Thanks to a powerful microprocessor and wide measuring range, from 25 to 140 dB, it is possible to affect simultaneously multiple functions (statistical analysis, 24 hour analysis, integral Leq analysis).

Save your results to its internal memory and use its USB interface to transfer data to your PC.  It comes compete with Windows software so you can display numerical, graphical and statistical data.

The instrument is supplied with a hard carrying case and a portable Class 1 calibrator for preliminary checks before starting any measurement.

Features:

• Sound level meter type 1
• Measuring range 25-140dB
• "Peak", "Fast", "Slow" and “Pulse” integrations
• “A”, “C” and “Z (linear)” frequency weighting
• “Peak+” and “Peak-“ measurement in C weighting
• Statistical noise analysis “A” weighted
• Statistical noise analysis over 24 hours
• ½ “ condenser microphone with pre-amplifier
• AC analogical output
• Class 1 portable calibrator
• Internal memory for saving data
• Mini-USB output for connection to PC
• Connection with USB pen drive

Included:

• Portable calibrator in Class 1
• Power supply 100-240VAC/5VDC with USB output
• Mini-USB/USB cable for PC connection
• USB Pen Drive (TRASCEND JF V30/2GB)
• USB cable for Pen Drive connection to the instrument
• Windproof protection 60mm
• Windows software for data transfer
• Transport suitcase
• 4x1.5V alkaline batteries type AA LR06
• Calibration certificate of sound-level meter and calibrator
• User manual